{"__kind": "obj", "__id": 0, "__class": "G", "hs": {"__kind": "obj", "__id": 1, "__class": "HashSet", "__items": [-1, 0]}, "s": {"__kind": "obj", "__id": 2, "__class": "ArraySet", "__items": ["one", "two"]}, "hm": {"__kind": "obj", "__id": 3, "__class": "HashMap", "__length": 2, "__keys": ["one", "two"], "__values": [1, 2]}, "am": {"__kind": "obj", "__id": 4, "__class": "ArrayMap", "__length": 2, "__keys": ["three", "four"], "__values": ["3", "4"]}}
# Back in Nit:
{"__kind": "obj", "__id": 0, "__class": "G", "hs": {"__kind": "obj", "__id": 1, "__class": "HashSet", "__items": [-1, 0]}, "s": {"__kind": "obj", "__id": 2, "__class": "ArraySet", "__items": ["one", "two"]}, "hm": {"__kind": "obj", "__id": 3, "__class": "HashMap", "__length": 2, "__keys": ["one", "two"], "__values": [1, 2]}, "am": {"__kind": "obj", "__id": 4, "__class": "ArrayMap", "__length": 2, "__keys": ["three", "four"], "__values": ["3", "4"]}}
# Back in Nit: